xhj/embeded-gateway: 网关代码

xhj 4d99525703 first commit		6 mesi fa
..
dmc	4d99525703 first commit	6 mesi fa
limits	4d99525703 first commit	6 mesi fa
auto_rec.hpp	4d99525703 first commit	6 mesi fa
check.hpp	4d99525703 first commit	6 mesi fa
is_binary.hpp	4d99525703 first commit	6 mesi fa
is_nullary.hpp	4d99525703 first commit	6 mesi fa
is_unary.hpp	4d99525703 first commit	6 mesi fa
null.hpp	4d99525703 first commit	6 mesi fa
split.hpp	4d99525703 first commit	6 mesi fa